Sons Of Liberty Gun Works M8916.75 M89 Drive Lock Rail 16.75″ M-LOK, Black Anodized, Full Length Picatinny Top, Barrel Nut, Fits AR-15

ID: 1.4Finish: Mil-Spec MIL-A-8625F, Type III, Class 2, Hard Anodized Coating, Non-Reflective, NiAc Seal (Anodized to match SOLGW receivers)T-Marks: Engraved T-Marks. Whats included: Rail, Barrel Nut, Barrel Nut Wrench, & Lock-Up Components